Cervical stenosis refers to the pathological narrowing of the spinal canal in the cervical spine (C1-C7 vertebrae). This constriction can compress both the spinal cord (myelopathy) and nerve roots (radiculopathy), potentially causing significant neurological deficits.
Primary Etiology
Degenerative changes (most common):
Spondylosis (spinal osteoarthritis)
Hypertrophic facet joints
Ligamentum flavum thickening
Congenital factors:
Naturally narrow spinal canal
Genetic predisposition
Other causes:
Herniated discs
Spinal trauma
Post-surgical changes
Ossification of posterior longitudinal ligament (OPLL)
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